131057814 has 8 divisors (see below), whose sum is σ = 262115640. Its totient is φ = 43685936.

The previous prime is 131057803. The next prime is 131057819. The reversal of 131057814 is 418750131.

It is a sphenic number, since it is the product of 3 distinct primes.

131057814 is an admirable number.

It is a super-2 number, since 2×131057814² = 34352301220917192, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131057819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10921479 + ... + 10921490.

It is an arithmetic number, because the mean of its divisors is an integer number (32764455).

Almost surely, 2^131057814 is an apocalyptic number.

131057814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131057814 is a wasteful number, since it uses less digits than its factorization.

131057814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21842974.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 131057814 is about 11448.0484799812. The cubic root of 131057814 is about 507.9500100642.

The spelling of 131057814 in words is "one hundred thirty-one million, fifty-seven thousand, eight hundred fourteen".